/* Ardo — web (čierna téma, zeleno-cyan gradient z loga) */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --green: #30d158;
  --cyan: #64d2ff;
  --ink: #ffffff;
  --muted: #8e8e93;
  --muted-2: #6e6e73;
  --line: #2c2c2e;
  --bg: #000000;
  --bg-soft: #0c0c0e;
  --surface: #1c1c1e;
  --grad: linear-gradient(135deg, #30d158 0%, #64d2ff 100%);
}
html { scroll-behavior: smooth; }
body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--green); text-decoration: none; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 22px; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; color: var(--ink); }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.nav-links { display: flex; gap: 26px; }
.nav-links a { color: var(--muted); font-weight: 600; font-size: 15px; }
.nav-links a:hover { color: var(--ink); }
@media (max-width: 720px) { .nav-links { display: none; } }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 14px; font-weight: 700; font-size: 15px;
  cursor: pointer; border: none; transition: transform 0.12s ease, box-shadow 0.2s ease;
}
.btn-primary { background: var(--grad); color: #000; box-shadow: 0 10px 26px rgba(48, 209, 88, 0.28); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 14px 32px rgba(48, 209, 88, 0.38); }
.btn-secondary { background: var(--surface); color: var(--ink); border: 1px solid var(--line); }
.btn-secondary:hover { border-color: var(--muted); }
.nav-inner .btn { height: 46px; padding-top: 0; padding-bottom: 0; }

/* Hero */
.hero { position: relative; overflow: hidden; background: radial-gradient(120% 100% at 50% 0%, #0e1a12 0%, #000 60%); }
.hero-inner { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 40px; align-items: center; padding: 72px 0 84px; position: relative; z-index: 1; }
@media (max-width: 880px) { .hero-inner { grid-template-columns: 1fr; text-align: center; } }
.hero-badge {
  display: inline-flex; align-items: center; gap: 7px;
  background: rgba(48, 209, 88, 0.12); color: var(--green); font-weight: 700; font-size: 13px;
  padding: 6px 13px; border-radius: 999px; margin-bottom: 18px;
}
.hero h1 { font-size: clamp(34px, 5vw, 54px); line-height: 1.08; letter-spacing: -0.02em; font-weight: 900; }
.hero h1 .grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 18px; color: var(--muted); margin: 18px 0 26px; max-width: 520px; }
@media (max-width: 880px) { .hero p.lead { margin-left: auto; margin-right: auto; } }
.hero-buttons { display: flex; gap: 12px; flex-wrap: wrap; }
@media (max-width: 880px) { .hero-buttons { justify-content: center; } }
.hero-phones { display: flex; justify-content: center; gap: 18px; align-items: flex-start; }
.hero-phones .phone-frame { width: 218px; }
.hero-phones .phone-frame:nth-child(2) { transform: translateY(-28px); }
@media (max-width: 560px) { .hero-phones .phone-frame:nth-child(2) { display: none; } }

/* jemné orby */
.orb { position: absolute; border-radius: 50%; filter: blur(20px); z-index: 0; pointer-events: none; }
.orb.o1 { width: 220px; height: 220px; background: rgba(48,209,88,0.22); top: -40px; right: 9%; animation: drift1 14s ease-in-out infinite; }
.orb.o2 { width: 160px; height: 160px; background: rgba(100,210,255,0.18); bottom: -30px; left: 6%; animation: drift2 18s ease-in-out infinite; }
.orb.o3 { width: 110px; height: 110px; background: rgba(48,209,88,0.16); top: 28%; left: 40%; animation: drift3 12s ease-in-out infinite; }
@keyframes drift1 { 0%,100% { transform: translate(0,0) scale(1);} 50% { transform: translate(-50px,40px) scale(1.12);} }
@keyframes drift2 { 0%,100% { transform: translate(0,0) scale(1);} 50% { transform: translate(45px,-45px) scale(1.15);} }
@keyframes drift3 { 0%,100% { transform: translate(0,0);} 33% { transform: translate(40px,-26px);} 66% { transform: translate(-26px,18px);} }

/* geometrické tvary */
.shape { position: absolute; z-index: 0; pointer-events: none; opacity: 0.18; }
.shape.ring { border-radius: 50%; }
.shape.ring.r1 { width: 120px; height: 120px; top: 18%; left: 9%; border: 3px solid var(--green); animation: spinbob 14s ease-in-out infinite; }
.shape.ring.r2 { width: 72px; height: 72px; top: 68%; right: 13%; border: 3px solid var(--cyan); animation: spinbob 12s ease-in-out infinite reverse; }
.shape.ring.r3 { width: 50px; height: 50px; top: 46%; left: 60%; border: 2px solid var(--green); animation: spinbob 16s ease-in-out infinite; }
.shape.tri { width: 0; height: 0; border-left: 26px solid transparent; border-right: 26px solid transparent; border-bottom: 46px solid var(--green); }
.shape.tri.t1 { top: 52%; left: 72%; animation: spinbob 16s ease-in-out infinite; }
.shape.tri.t2 { border-left-width: 16px; border-right-width: 16px; border-bottom-width: 28px; border-bottom-color: var(--cyan); top: 10%; left: 44%; animation: spinbob 13s ease-in-out infinite reverse; }
.shape.dot { width: 14px; height: 14px; border-radius: 50%; background: var(--green); animation: bob 5s ease-in-out infinite; }
.shape.dot.d1 { top: 12%; left: 54%; } .shape.dot.d2 { top: 76%; left: 24%; animation-delay: -2s; }
.shape.dot.d3 { top: 40%; right: 7%; background: var(--cyan); animation-delay: -4s; }
.shape.dot.d4 { top: 30%; left: 4%; animation-delay: -1s; } .shape.dot.d5 { bottom: 14%; right: 16%; width: 10px; height: 10px; animation-delay: -3s; }
@keyframes spinbob { 0% { transform: translateY(0) rotate(0);} 50% { transform: translateY(-20px) rotate(180deg);} 100% { transform: translateY(0) rotate(360deg);} }
@keyframes bob { 0%,100% { transform: translateY(0);} 50% { transform: translateY(-18px);} }
@media (max-width: 760px) { .shape { display: none; } }

/* Stats */
.stats { background: var(--bg); border-bottom: 1px solid var(--line); }
.stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 48px; padding: 30px 0; text-align: center; }
.stat .num { font-size: 28px; font-weight: 900; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat .lbl { font-size: 13px; color: var(--muted); font-weight: 600; }

/* Sections */
section.block { padding: 78px 0; }
section.block.alt { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 44px; }
.section-head h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 900; letter-spacing: -0.02em; }
.section-head p { color: var(--muted); font-size: 17px; margin-top: 12px; }

/* Features */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 880px) { .features-grid { grid-template-columns: 1fr; } }
.feature-card { background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 26px; }
.feature-icon { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; font-size: 24px; margin-bottom: 16px; }
.fi-green { background: rgba(48,209,88,0.14); } .fi-cyan { background: rgba(100,210,255,0.14); } .fi-amber { background: rgba(255,149,0,0.14); }
.fi-red { background: rgba(255,69,58,0.14); } .fi-violet { background: rgba(191,90,242,0.14); } .fi-blue { background: rgba(10,132,255,0.14); }
.feature-card h3 { font-size: 18px; font-weight: 800; margin-bottom: 8px; }
.feature-card p { color: var(--muted); font-size: 15px; }

/* Pricing */
.price-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; max-width: 760px; margin: 0 auto; }
@media (max-width: 720px) { .price-wrap { grid-template-columns: 1fr; } }
.price-card { background: var(--surface); border: 1px solid var(--line); border-radius: 22px; padding: 30px; }
.price-card.pro { border: 2px solid var(--green); position: relative; }
.price-card.pro .tag { position: absolute; top: -12px; right: 22px; background: var(--grad); color: #000; font-size: 12px; font-weight: 800; padding: 4px 12px; border-radius: 999px; }
.price-card h3 { font-size: 20px; font-weight: 900; }
.price-card .amt { font-size: 34px; font-weight: 900; margin: 8px 0 4px; }
.price-card .amt small { font-size: 14px; color: var(--muted); font-weight: 600; }
.price-card ul { list-style: none; margin-top: 16px; }
.price-card li { padding: 7px 0 7px 26px; position: relative; color: var(--ink); font-size: 15px; }
.price-card li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 800; }

/* CTA */
.cta { background: var(--grad); color: #000; text-align: center; padding: 70px 0; }
.cta h2 { font-size: clamp(26px, 3.4vw, 36px); font-weight: 900; }
.cta p { opacity: 0.86; margin: 12px 0 24px; font-size: 17px; }
.cta .btn-primary { background: #000; color: var(--green); box-shadow: 0 12px 30px rgba(0,0,0,0.3); }

/* Footer */
.footer { background: #060606; color: var(--muted); padding: 44px 0 30px; border-top: 1px solid var(--line); }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; }
.footer .brand { color: #fff; }
.footer a { color: var(--muted); display: block; margin: 6px 0; font-size: 14px; }
.footer a:hover { color: #fff; }
.footer .col h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted-2); margin-bottom: 8px; }
.footer .copyright { border-top: 1px solid var(--line); margin-top: 28px; padding-top: 20px; font-size: 13px; color: var(--muted-2); }

/* Language switcher */
.lang-switcher { position: relative; cursor: pointer; user-select: none; margin-left: 14px; }
.lang-current { display: inline-flex; align-items: center; gap: 8px; height: 46px; padding: 0 14px; border: 1px solid var(--line); border-radius: 12px; font-weight: 700; font-size: 14px; color: var(--ink); background: var(--surface); }
.lang-current img { width: 18px; height: 18px; border-radius: 50%; }
.lang-current .chev { width: 14px; height: 14px; display: inline-flex; align-items: center; color: var(--muted); transition: transform 0.2s ease; }
.lang-current .chev svg { width: 100%; height: 100%; display: block; }
.lang-switcher.open .chev { transform: rotate(180deg); }
.btn .apple { width: 17px; height: 17px; display: inline-block; }
.btn .apple svg { width: 100%; height: 100%; display: block; fill: currentColor; }
.lang-dropdown { display: none; position: absolute; right: 0; top: calc(100% + 8px); background: var(--surface); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 16px 40px rgba(0,0,0,0.5); padding: 6px; min-width: 184px; z-index: 60; max-height: min(420px, 70vh); overflow-y: auto; }
.lang-switcher.open .lang-dropdown { display: block; }
.lang-option { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 10px; font-weight: 600; font-size: 14px; color: var(--ink); }
.lang-option:hover { background: rgba(255,255,255,0.06); }
.lang-option.active { color: var(--green); }
.lang-option img { width: 20px; height: 20px; border-radius: 50%; }

/* Phone frame */
.phone-frame { background: #1a1a1a; border-radius: 38px; padding: 5px; box-shadow: 0 24px 60px rgba(0,0,0,0.5), inset 0 0 0 1px #333; transition: transform 0.3s ease; }
.phone-frame img { width: 100%; display: block; border-radius: 33px; }

/* Screenshots showcase */
.screenshots-scroll { display: flex; gap: 22px; overflow-x: auto; padding: 26px 0 48px; scroll-snap-type: x mandatory; scrollbar-width: none; }
.screenshots-scroll::-webkit-scrollbar { display: none; }
.screenshot-item { flex-shrink: 0; width: 240px; scroll-snap-align: center; transition: transform 0.3s ease; }
.screenshot-item:hover { transform: translateY(-4px); }
.shot-edge { flex: 0 0 24px; }

/* Contact form */
.contact-form { max-width: 600px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.contact-form input, .contact-form textarea { width: 100%; padding: 15px 18px; border: 2px solid var(--line); border-radius: 14px; font-family: inherit; font-size: 16px; color: var(--ink); background: var(--surface); outline: none; transition: border-color 0.2s ease; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--green); }
.contact-form textarea { min-height: 150px; resize: vertical; }
.contact-form .btn { align-self: flex-start; }

/* Legal pages */
.legal { max-width: 760px; margin: 0 auto; padding: 54px 22px 80px; }
.legal h1 { font-size: 32px; font-weight: 900; }
.legal .muted { color: var(--muted); font-size: 14px; margin-bottom: 24px; }
.legal h2 { font-size: 19px; margin-top: 30px; }
.legal p, .legal li { color: #c7c7cc; margin-top: 10px; }
.legal ul { padding-left: 22px; }

/* RTL */
[dir="rtl"] .nav-links { flex-direction: row-reverse; }
[dir="rtl"] .lang-dropdown { left: 0; right: auto; }
[dir="rtl"] .feature-card, [dir="rtl"] .price-card, [dir="rtl"] .section-head { text-align: right; }

/* Screenshots dark/light toggle */
.shot-theme { display: inline-flex; gap: 4px; margin-top: 20px; padding: 4px; background: var(--surface); border: 1px solid var(--line); border-radius: 999px; }
.shot-theme-btn { border: 0; background: transparent; color: var(--muted); font-weight: 700; font-size: 14px; padding: 8px 20px; border-radius: 999px; cursor: pointer; transition: all 0.18s ease; }
.shot-theme-btn.active { background: var(--grad); color: #000; }